BE772298A - Systeme d'enregistrement et de reproduction quadriphonique - Google Patents

Systeme d'enregistrement et de reproduction quadriphonique

Info

Publication number
BE772298A
BE772298A BE772298A BE772298A BE772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A BE 772298 A BE772298 A BE 772298A
Authority
BE
Belgium
Prior art keywords
quadriphone
recording
playback system
playback
quadriphone recording
Prior art date
Application number
BE772298A
Other languages
English (en)
Inventor
B B Bauer
Original Assignee
Columbia Broadcasting Syst Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Columbia Broadcasting Syst Inc filed Critical Columbia Broadcasting Syst Inc
Publication of BE772298A publication Critical patent/BE772298A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
BE772298A 1970-10-19 1971-09-07 Systeme d'enregistrement et de reproduction quadriphonique BE772298A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US8185870A 1970-10-19 1970-10-19

Publications (1)

Publication Number Publication Date
BE772298A true BE772298A (fr) 1972-03-17

Family

ID=22166858

Family Applications (1)

Application Number Title Priority Date Filing Date
BE772298A BE772298A (fr) 1970-10-19 1971-09-07 Systeme d'enregistrement et de reproduction quadriphonique

Country Status (6)

Country Link
BE (1) BE772298A (fr)
CA (1) CA974457A (fr)
FR (1) FR2109754A5 (fr)
GB (1) GB1360411A (fr)
IL (1) IL37872A (fr)
NL (1) NL7108370A (fr)

Also Published As

Publication number Publication date
CA974457A (en) 1975-09-16
IL37872A0 (en) 1971-12-29
FR2109754A5 (fr) 1972-05-26
NL7108370A (fr) 1972-04-21
DE2139098A1 (de) 1972-04-20
IL37872A (en) 1973-11-28
DE2139098B2 (de) 1976-11-25
GB1360411A (en) 1974-07-17
AU3214771A (en) 1973-02-15

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